72808765587 has 6 divisors (see below), whose sum is σ = 105168216972. Its totient is φ = 48539177052.

The previous prime is 72808765577. The next prime is 72808765597. The reversal of 72808765587 is 78556780827.

72808765587 is a `hidden beast` number, since 7 + 2 + 8 + 0 + 8 + 76 + 558 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (72808765577) and next prime (72808765597).

It is not a de Polignac number, because 72808765587 - 2¹¹ = 72808763539 is a prime.

It is a super-2 number, since 2×72808765587² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72808765577) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4044931413 + ... + 4044931430.

It is an arithmetic number, because the mean of its divisors is an integer number (17528036162).

Almost surely, 2^72808765587 is an apocalyptic number.

72808765587 is a deficient number, since it is larger than the sum of its proper divisors (32359451385).

72808765587 is a wasteful number, since it uses less digits than its factorization.

72808765587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8089862849 (or 8089862846 counting only the distinct ones).

The product of its (nonzero) digits is 52684800, while the sum is 63.

The spelling of 72808765587 in words is "seventy-two billion, eight hundred eight million, seven hundred sixty-five thousand, five hundred eighty-seven".